Fastener



FIG. 1 is a first perspective view of the “fastener”;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a back view thereof, showing the placement of section lines 10-10 and 11-11;

FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 9; and,

FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 9.

The broken line showing of the screw and screwdriver head represents the environment of the claimed design and forms no part thereof. 

CLAIM The ornamental design for a “fastener,” as shown and described. 